Controlled vocabulary of canonical types.
External identifier. atlas:scheme holds the scheme token; atlas:value holds the string.
Source, method, timestamp and confidence for an identifier or claim.
Reified triple with provenance. The triple must also exist directly on the entity.
Signals that an entity needs human review.
Spatial containment, transitive. Enables zoom-in/zoom-out traversal: PopulatedPlace locatedIn Region locatedIn Country locatedIn Continent.
Shared land or maritime border. Symmetric: if A bordersWith B then B bordersWith A.
Membership or affiliation. Intended uses: Person to Organization, Person to EthnicGroup, Organization to Organization. Not for type classification — use atlas:hasCanonicalType for that.
Direct surface form. Add a language tag where known.
Controlled tokens: wikidata-qid | google-mid | atlas-internal.
Opaque JSON cache blob. Source is recorded inside the blob.
Abstract parent. Use a subtype where possible.
State, province, county or similar administrative subdivision.
Borough, district, arrondissement or similar urban subdivision.
River, mountain, ocean, lake or other natural geographic feature.
Fallback for political subdivisions that do not fit a more specific subtype.
Company traded on a public exchange. Has a ticker and ISIN.
Market index such as S&P 500, DAX or Nikkei.
Physical good traded on an exchange: gold, oil, wheat, etc.
Fiat currency. Distinct from Cryptocurrency.
Abstract idea that does not fit a more specific type.